--- unzip60/process.c.orig	2009-03-05 23:25:10.000000000 -0200
+++ unzip60/process.c	2017-05-18 14:47:34.000000000 -0300
@@ -2895,9 +2895,9 @@
         */
 
 #ifdef IZ_HAVE_UXUIDGID
-            if (eb_len >= EB_UX3_MINLEN
-                && z_uidgid != NULL
-                && (*((EB_HEADSIZE + 0) + ef_buf) == 1)
+            if ((eb_len >= EB_UX3_MINLEN)
+                && (z_uidgid != NULL)
+                && ((*((EB_HEADSIZE + 0) + ef_buf) == 1)))
                     /* only know about version 1 */
             {
                 uch uid_size;
@@ -2909,10 +2909,10 @@
                 flags &= ~0x0ff;      /* ignore any previous UNIX field */
 
                 if ( read_ux3_value((EB_HEADSIZE + 2) + ef_buf,
-                                    uid_size, z_uidgid[0])
+                                    uid_size, &z_uidgid[0])
                     &&
                      read_ux3_value((EB_HEADSIZE + uid_size + 3) + ef_buf,
-                                    gid_size, z_uidgid[1]) )
+                                    gid_size, &z_uidgid[1]) )
                 {
                     flags |= EB_UX2_VALID;   /* signal success */
                 }
